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MEMS accelerometer targets mobile phones, tablets

Posted: 24 Feb 2012 ?? ?Print Version ?Bookmark and Share

Keywords:MEMS accelerometer? XAC sensor? mobile phone? tablet?

Kionix Inc. has introduced its smallest MEMS accelerometer that according to the company combines low power, high performance and a small form factor. The 2 x 2 x 0.9mm tri-axis KXTJ2 is engineered for space critical mobile devices such as handsets and tablets.

The KXTJ2 features the newly designed XAC sensor that offers outstanding stability with a market-leading combination of improved shock, reflow and thermal performance, said Kionix. The XAC sensor decreases the need for production-line calibration that also provides customers with substantial cost reductions.

Other KXTJ2 features include low current consumption in all modes2?A in standby, 10?A at low resolution, and 135?A for high resolution. It also has a user-configurable, low-power, embedded wake-up function, allowing the user to conserve battery life by powering down other systems until needed, and user-selectable resolution and acceleration at 2g, 4g or 8g, as well as user-selectable Output Data Rate (ODR).

With up to 14bit resolution for greater precision, the KXTJ2 also features low noise for better resolution, communication on the I2C digital serial interface bus for easy system integration by eliminating ADC requirements and by providing direct communication with system microcontrollers. Moreover, the device touts an internal voltage regulator that maintains constant internal operating voltages across its 1.8-3.6V range of input supply.

Available in a 12-pin LGA plastic package, the KXTJ2 is now sampling to qualified customers.

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